From: Wei Yongjun weiyongjun1@huawei.com
[ Upstream commit e61f9ea271933d987ab895c689fa37744f6fc27f ]
In case of error, the function i2c_new_dummy_device() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().
Fixes: e6089feca460 ("media: m88ds3103: Add support for ds3103b demod") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/dvb-frontends/m88ds3103.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index cfa4cdde99d8..02e8aa11e36e 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1904,8 +1904,8 @@ static int m88ds3103_probe(struct i2c_client *client,
dev->dt_client = i2c_new_dummy_device(client->adapter, dev->dt_addr); - if (!dev->dt_client) { - ret = -ENODEV; + if (IS_ERR(dev->dt_client)) { + ret = PTR_ERR(dev->dt_client); goto err_kfree; } }